208893438

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 535449600

約数和(自身を除く): 326556162

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 29, 31, 39, 54, 58, 62, 78, 87, 93, 117, 174, 186, 234, 261, 279, 331, 351, 377, 403, 522, 558, 662, 702, 754, 783, 806, 837, 899, 993, 1131, 1209, 1566, 1674, 1798, 1986, 2262, 2418, 2697, 2979, 3393, 3627, 4303, 5394, 5958, 6786, 7254, 8091, 8606, 8937, 9599, 10179, 10261, 10881, 11687, 12909, 16182, 17874, 19198, 20358, 20522, 21762, 23374, 24273, 25818, 28797, 30783, 35061, 38727, 48546, 57594, 61566, 70122, 77454, 86391, 92349, 105183, 116181, 124787, 133393, 172782, 184698, 210366, 232362, 249574, 259173, 266786, 277047, 297569, 315549, 374361, 400179, 518346, 554094, 595138, 631098, 748722, 800358, 892707, 1123083, 1200537, 1785414, 2246166, 2401074, 2678121, 3369249, 3601611, 3868397, 5356242, 6738498, 7203222, 7736794, 8034363, 11605191, 16068726, 23210382, 34815573, 69631146, 104446719, 208893438]

約数ペア:

[(1, 208893438), (2, 104446719), (3, 69631146), (6, 34815573), (9, 23210382), (13, 16068726), (18, 11605191), (26, 8034363), (27, 7736794), (29, 7203222), (31, 6738498), (39, 5356242), (54, 3868397), (58, 3601611), (62, 3369249), (78, 2678121), (87, 2401074), (93, 2246166), (117, 1785414), (174, 1200537), (186, 1123083), (234, 892707), (261, 800358), (279, 748722), (331, 631098), (351, 595138), (377, 554094), (403, 518346), (522, 400179), (558, 374361), (662, 315549), (702, 297569), (754, 277047), (783, 266786), (806, 259173), (837, 249574), (899, 232362), (993, 210366), (1131, 184698), (1209, 172782), (1566, 133393), (1674, 124787), (1798, 116181), (1986, 105183), (2262, 92349), (2418, 86391), (2697, 77454), (2979, 70122), (3393, 61566), (3627, 57594), (4303, 48546), (5394, 38727), (5958, 35061), (6786, 30783), (7254, 28797), (8091, 25818), (8606, 24273), (8937, 23374), (9599, 21762), (10179, 20522), (10261, 20358), (10881, 19198), (11687, 17874), (12909, 16182)]